Download LC/MS Nitrogen Generators User Guide

1.
Safety Warnings
6. Troubleshooting
Do not operate this gas generator until the instructions in this manual have been
read and understood by all personnel concerned.
Problem
No power to unit
When handling, installing or operating this gas generator, personnel must employ
safe engineering practices and observe all related regulations, health & safety
procedures and legal requirements for safety.
Indication
Possible Cause
Power On indicator Isolated at supply
not illuminated
Power on switch in ‘OFF’
position
Most accidents that occur during the operation and maintenance of machinery
are the result of failure to observe basic safety rules and procedures. Accidents
can be avoided by recognising that any machinery is potentially hazardous.
domnick hunter can not anticipate every possible circumstance which may
represent a potential hazard. The warnings in this manual cover the most known
potential hazards, but by definition can not be all-inclusive. If the gas generator
user employs an operating procedure, item of equipment or a method of
working which is not specifically recommended by domnick hunter the user
must ensure that the gas generator will not be damaged or made a potential
hazard to persons or property.
Reduced delivery Outlet pressure
pressure
gauges
The gas generator will have warning/hazard labels attached, a list of warning
labels and their meaning is given below: -
General Warning
Read Manual
Fuse blown
Check fuse & replace
Power lead not
connected
Check lead connected
& connect
Loose connection inside
generator
Consult domnick hunter
Service Dept.
Connected incorrect
voltage supply
Check rating plate
voltage for suitability
Compressor failure
(option 1 units only)
Check compressor is
running, consult domnick
hunter Service Dept.
Compressor
over-heating due to
insufficient ventilation
Check ventilation
clearance & rectify
Leaking outlet pipe-work
Check pipe-work
& rectifier
Pressure regulator set low
Check pressure
regulator setting & reset
Service interval
exceeded
Check service timers
and service
Leaking inlet pipe-work
(option 0 units only)
Check pipe-work &
rectify
Inlet pressure set low
Check inlet pressure &
increase
Check pipe-work
diameter & replace
Inlet (option 0 units only) or
outlet pipe-work diameter
too small
Demand greater than
supply capability
Risk of Electric Shock
Reduced purity
Pressurised Components on System
May Start Automatically Without Warning
Downstream
monitoring
Check pipe-work
& rectify
Unsuitable pipe-work
used on outlet
Check pipe-work
and replace
Generator recently
brought online
Check & allow at least
6-hours for purity to be
achieved
Check inlet air
quality & rectify
Use Lifting Equipment
1
Check requirements
against original sizing data
Leaking outlet pipe-work
Inlet air supply IS08573.1
2001 air quality class 2.-.1
(option 0 units only)
Use Forklift Truck
Action Required
Check isolator &
switch on
Check power on
switch & switch on
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